1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.search.messaging;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.kernel.messaging.Message;
28  import com.liferay.portal.kernel.messaging.MessageBusUtil;
29  import com.liferay.portal.kernel.search.Hits;
30  
31  /**
32   * <a href="SearchReaderMessageListener.java.html"><b><i>View Source</i></b></a>
33   *
34   * @author Bruno Farache
35   */
36  public class SearchReaderMessageListener
37      extends BaseSearchEngineMessageListener {
38  
39      public void receive(Message message) {
40          try {
41              doReceive(message);
42          }
43          catch (Exception e) {
44              _log.error("Unable to process message " + message, e);
45          }
46      }
47  
48      protected void doCommandSearch(Message message, SearchRequest searchRequest)
49          throws Exception {
50  
51          Hits hits = searchEngine.getSearcher().search(
52              searchRequest.getCompanyId(), searchRequest.getQuery(),
53              searchRequest.getSorts(), searchRequest.getStart(),
54              searchRequest.getEnd());
55  
56          Message responseMessage = MessageBusUtil.createResponseMessage(
57              message, hits);
58  
59          MessageBusUtil.sendMessage(
60              responseMessage.getDestinationName(), responseMessage);
61      }
62  
63      protected void doReceive(Message message) throws Exception {
64          Object payload = message.getPayload();
65  
66          if (!(payload instanceof SearchRequest)) {
67              return;
68          }
69  
70          SearchRequest searchRequest = (SearchRequest)payload;
71  
72          SearchEngineCommand searchEnginecommand =
73              searchRequest.getSearchEngineCommand();
74  
75          if (searchEnginecommand.equals(SearchEngineCommand.SEARCH)) {
76              doCommandSearch(message, searchRequest);
77          }
78      }
79  
80      private static Log _log =
81          LogFactoryUtil.getLog(SearchReaderMessageListener.class);
82  
83  }